[TASK] Remove checks for CRYPT_MD5 and CRYPT_BLOWFISH availability

According to crypt() documentation "As of PHP 5.3.0, PHP contains its
own implementation and will use that if the system lacks of support
for one or more of the algorithms.". So these checks are not
necessary anymore.

Resolves: #87396
Releases: master, 9.5
Change-Id: I6ddede477283a39349e4c4d8d5f464435c855b85
Reviewed-on: https://review.typo3.org/59399
Tested-by: TYPO3com <noreply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/core/Tests/Unit/Crypto/PasswordHashing/BlowfishPasswordHashTest.php

@@ -23,16 +23,6 @@
  */
 class BlowfishPasswordHashTest extends UnitTestCase
 {
-    /**
-     * Sets up the fixtures for this testcase.
-     */
-    protected function setUp()
-    {
-        if (!CRYPT_BLOWFISH) {
-            $this->markTestSkipped('Blowfish is not supported on your platform.');
-        }
-    }
-
     /**
      * @test
      */

typo3/sysext/core/Tests/Unit/Crypto/PasswordHashing/Md5PasswordHashTest.php

@@ -23,16 +23,6 @@
  */
 class Md5PasswordHashTest extends UnitTestCase
 {
-    /**
-     * Sets up the fixtures for this testcase.
-     */
-    protected function setUp()
-    {
-        if (!CRYPT_MD5) {
-            $this->markTestSkipped('Blowfish is not supported on your platform.');
-        }
-    }
-
     /**
      * @test
      */